Missing Authorization in Car Rental Manager Plugin

Executive Summary

This vulnerability is a Missing Authorization issue in the magepeopleteam Car Rental Manager software, specifically affecting versions up to and including 1.3.7. It allows attackers to exploit incorrectly configured access control security levels, meaning that certain actions or data may be accessible without proper authorization.

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Detection Guidance

Detecting this vulnerability requires checking if the Car Rental Manager plugin (version <= 1.3.7) is installed on your WordPress site and verifying its access control configurations.

• Check the installed version of the Car Rental Manager plugin. If it is version 1.3.7 or earlier, the system may be vulnerable.
• Review the plugin's access control settings to identify misconfigurations. Look for improperly restricted endpoints or missing authorization checks in the plugin's code or settings.
• Use a web application scanner (e.g., OWASP ZAP, Burp Suite) to test for missing authorization vulnerabilities by sending requests to plugin endpoints without proper authentication or privileges.

Since this is a WordPress plugin, you can check the plugin version via the WordPress admin dashboard under 'Plugins' or by inspecting the plugin's readme.txt or main PHP file for version information.

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Impact Analysis

The impact of this vulnerability is that unauthorized users could perform actions or access parts of the Car Rental Manager system that should be restricted. According to the CVSS score of 5.3, the vulnerability has a network attack vector with low attack complexity and no privileges or user interaction required. While it does not affect confidentiality or availability, it can lead to integrity issues, meaning unauthorized modifications could occur.

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Compliance Impact

The vulnerability in Car Rental Manager (CVE-2026-61985) involves a missing authorization issue, which allows attackers to exploit incorrectly configured access control security levels. This could lead to unauthorized access or modification of data, depending on the system's configuration and the data it handles.

For compliance with standards and regulations:

• GDPR: If the affected system processes personal data of EU citizens, this vulnerability could result in unauthorized access or alteration of such data, violating GDPR principles like data integrity, confidentiality, and lawful processing (Articles 5, 25, and 32). Non-compliance may lead to significant fines or legal action.
• HIPAA: If the system handles protected health information (PHI), unauthorized access or modification due to this vulnerability could breach HIPAA's Security Rule (45 CFR Part 164, Subpart C), which mandates safeguards for electronic PHI. This could result in penalties for non-compliance.

The CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) indicates that the vulnerability allows low-impact integrity violations, meaning attackers could modify data without authorization. This directly impacts compliance requirements that demand strict access controls and data integrity protections.

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Mitigation Strategies

To mitigate this vulnerability, follow these immediate steps:

• Update the Car Rental Manager plugin to the latest version if a patch is available. Since the vulnerability affects versions up to and including 1.3.7, check for updates from the vendor or plugin repository.
• If no patch is available, consider disabling the plugin temporarily until a fix is released to prevent exploitation.
• Implement strict access controls and authorization checks for all plugin endpoints. Ensure that only authenticated and authorized users can access sensitive functionalities.
• Monitor network traffic and logs for unusual activity, such as unauthorized access attempts to plugin endpoints.
• Apply a web application firewall (WAF) to filter out malicious requests targeting the plugin's vulnerable endpoints.

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